The first four caliphs of Islam ? Abu Bakr, Umar ibn al-Khattab, Uthman ibn Affan and Ali ibn Abi Talib, may Allah be pleased with all of them, are known as the rightly guided caliphs.
These pious caliphs were among the closest Sahabah (Companions) of the Prophet Muhammad. Their lives are a source of inspiration and motivation for believers of all time. These caliphs, though the successive heads of a large empire, lived very simple lives, like ordinary men.
Their exemplary conduct and high moral character are a shining example for us. We are hugely indebted to them for their sacrifice and dedication, which helped in the preservation of the Quran and the spread of Islam throughout the world.
Of the Sahabah, the Prophet once said: